Various SOHO VoIP gateway series of AddPac is approved for its high performance and reliability in world-wide markets. AddPac provides highly advanced VoIP services in order to meet demanding and evolving business requirements of customers. AddPac 1~2 Port FXS SOHO VoIP Gateway maintains best voice quality under not only high network bandwidth but also low network bandwidth using the latest voice compression algorithm and enhanced QoS (Quality of Service) management features of AddPac Technologies. Especially AddPac VoIP Gateway has been developed through years of experiences and accumulated know-how from existing enterprises and communication markets. AddPac VoIP Gateway provides concurrent dual stack such as H323, SIP and various voice codec such as G.711, G.729, G.723,etc for high quality of communication service. This will satisfy customers with high expectation.